Finding the Fourth Proportional to 10,234,216.80, 15,351,294.96 and 4,167,519.84
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Solution
The fourth proportional to 10,234,216.80, 15,351,294.96 and 4,167,519.84 is: 6,251,267.45
Step by Step Solution
- Step 1: Write the proportion equation
10,234,216.80 : 15,351,294.96 = 4,167,519.84 : x - Step 2: Convert to fraction form
10,234,216.80/15,351,294.96 = 4,167,519.84/x - Step 3: Cross multiply
10,234,216.80x = 15,351,294.96 × 4,167,519.84 - Step 4: Simplify right side
10,234,216.80x = 63,976,826,315,492.01 - Step 5: Solve for x
x = 63,976,826,315,492.01/10,234,216.80 - Step 6: Final answer
x = 6,251,267.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.